Exercise device with a pivoting platform



FIG. 1 is a perspective view of an exercise device with a pivoting platform showing my new design;

FIG. 2 is a right side elevational view with the left side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a cross-sectional view taken on line 7—7 of FIG. 5. 

The ornamental design for an exercise device with a pivoting platform, as shown and described. 